When two vehicles approach or enter an intersection at approximately the same time, the driver of the vehicle on the left shall yield the right of way to the vehicle on the right when the paths of such vehicles intersect and there is danger of a collision, unless otherwise directed by traffic police stationed at the intersection. The driver of a vehicle approaching but not having entered an intersection shall yield the right of way to a vehicle within such intersection or turning therein to the left across the line of travel of the approaching vehicle, if the driver of the vehicle turning left has given a plainly visible signal of his intention to turn as required in this Traffic Code. The driver of a vehicle on any street shall yield the right of way to a pedestrian crossing such street within any clearly marked crosswalk or at any regular pedestrian crossing at the end of a block, except where the movement of traffic is being regulated by traffic officers or traffic direction devices. Every pedestrian crossing a street at any point other than a pedestrian crossing, crosswalk or intersection shall yield the right of way to vehicles upon the street. The driver of a vehicle entering a street from a private road or drive shall yield the right of way to all vehicles approaching on such streets. The driver of a vehicle upon a street shall yield the right of way to authorized emergency vehicles when the latter are operating upon official business and the drivers thereof sound an audible signal by bell, siren or exhaust whistle.
(1958 Code § 16.37)